Online SQL Query Builder Functions
Online SQL query builders let you to create complex database queries without requiring knowledge of SQL syntax. You can use a variety of visual options for combining SQL clauses such as JOINs and GROUP BY with properties like Operators, Indexes, Sort Type, Aliases, Criteria and Sort Order. Depending on your choices, online SQL query builders will generate a whole SQL statement that may be executed.
The following are the functions of online SQL query builders:
1. Connecting to a Database Server and Visually Creating Queries
To create SQL queries without the use of SQL statements, open the online SQL query builders window with a link to a Database Server. The GUI can be used to choose tables or views, with the column selection options allowing All Columns, Indexed Columns, Leading Indexed Columns or None.
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With the multiple options in online SQL query builders, you can combine any of the SQL properties and make writing queries a more natural and powerful process. With Drag and Drop, you can include columns, tables and views of a certain database or schema. When the table has been added into the diagram, the query may now be viewed in the SQL panel. Results of SQL queries can be seen in two modes – Grid and Pivot Grid.
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2. Making JOINS with Drag and Drop
Making a JOIN in an SQL query requires dragging table columns from one table entity to another in the diagram panel. As changes are made, the type of JOIN and its syntax are automatically displayed in the SQL panel. The JOIN type can be changed by double clicking on the Join line in the diagram and picking the”Select All Rows” option.
3. GROUP BY and HAVING Clauses
Swiftly insert GROUP BY Clause to a query by picking the columns and an aggregate function from the list and to the Group By deck.
4. Executing Queries for Editing Tables
Execute your query to receive results in an editable grid ala Excel. The Execute Edit feature is very handy for making changes, cloning, deleting, and formatting data in Table Data Editor.
5. UNION Queries
Only one SELECT clause can be displayed by the diagram pane. Hence, when you work with a UNION query, the Query Builder lets you to make an another diagram in a tabbed layout to create several SELECT clauses that you can then ‘UNION’ together. Results of all SELECT statements can be included in a single resulting table using The UNION keyword.
6. Sub Queries and Derived Tables
The Query Builder lets you create an extra tabbed diagram to create different SELECT clauses, which can be used as Sub Queries in the column list, WHERE clause or as a Derived table to be included in a JOIN clause.